Dunhua Yalian Machinery Manufacturing Co., Ltd. was founded in 2005. Its main products are roller press and flat press, with a design annual output of 5 sets. The company covers an area of 34000 square meters and a construction area of 8000 square meters. The company has a number of excellent professional and technical personnel and adopts advanced management methods. In 2005, it successfully passed the ISO9001 quality management system and ISO14001 environmental management system certification